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MICROSTRUCTURE IN LASER FUSED HIGH SPEED STEEL W6Mo5Cr4V2(M2)

LIU Ning CUI Kun Huazhong University of Science and Technology , Wuhan.China DENG Zonggang Hefei University of Technology , Hefei , China CHENG Benpei KONG Jie Institute of Solid State Physics , Academia Sinica , Hefei , China Doctorate student , Department of Mechanical Engineering No.2 , Huazhong University of Science and Technology , Wuhan 430074 , China

金属学报(英文版)

Microstructure of the deepest zone of high speed steel W6Mo5Cr4V2(M2)melt after laser fu-sion was found to be so fine as the ehill zone of a solidified ingot.When narrower chill zoneformed,the long columnar dendrites grow into the melt and then the fine equiaxed cellularstructure appears in upper me...

关键词: High speed steel W6Mo5Cr4V2(M2) , null , null

PROPAGATION OF SHORT FATIGUE CRACKS IN STEEL 16Mn

WANG Weiming HUANG Yuhua XU Hao Northeast University of Technology.Shenyang , China Doctorate student , Post Box 175 , Northeast University of Technology , Shenyang 110006 , China

金属学报(英文版)

Small bar speeimens of steel 16Mn with blind-holes were fatigued under constant amplitude Ioadings on a rotathing bending fatigue machie.Short crack propagation emanating from the blind-holes was obtained.Based on the experimental results,an expression of average propa- gation rate of short cracks w...

关键词: steel 16Mn , null , null , null

材料期刊网

MICROSTRUCTURE IN LASER FUSED HIGH SPEED STEEL W6Mo5Cr4V2(M2)

PROPAGATION OF SHORT FATIGUE CRACKS IN STEEL 16Mn

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